2003 Chevrolet Blazer Alternators and Starters

Name: Starter: Remanufactured, Limited Lifetime Warranty
Brand: Carquest Premium
SKU: 6449S
Price: 164.99 USD
Rating: 4.0 (88 reviews)

Below you will find various in-demand Chevrolet Alternators and Starters, components and accessories for your 2003 Blazer. Advance Auto Parts has popular Blazer parts like Ignition Lock Parts, Starter Parts, Alternator Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Blazer model years including 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2019 and more. Select a category of 2003 Chevrolet Blazer Alternators and Starters below and start saving instantly.

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Popular 2003 Chevrolet Blazer Alternators and Starters Categories

Alternators

Starters

Ignition Lock Cylinders

Alternator Pigtails

Essential Alternators and Starters for 2003 Chevrolet Blazers

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$164.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by a Limited Warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Product Features:

Each unit is triple-tested to ensure quality and performance
All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for optimal vehicle performance.
100% electronic testing of all critical components and the entire unit guarantees dependable operation and long-lasting durability.

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$169.99

Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters are built with all new components and are 100% triple-tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
All new components are utilized to ensure long service life
Internal electronics are upgraded for heavy duty reliability (where applicable)
Armatures and commutators are 100% load tested
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

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$82.99

Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Designed to meet OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

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$109.99

Built to meet OE quality in fit, form, and function.
Units are rebuilt with critical parts and components that are 100% new.
Designed to meet OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Designed to meet OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

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$132.99

WAI 100% NEW starters are built by an OE manufacturer with 100% new components to ensure the highest level of quality and the latest technology that meet the tightest tolerances and specifications. WAI 100% NEW starters are built with unmatched quality to deliver exceptional durability and reliability. They are designed to meet or exceed OE performance, fit, form, and function right out of the box, and are specifically designed to deliver unmatched starting power and a long service life. Our premium, easy-to-install starter is built to fit your vehicle and backed by a limited warranty.

Product Features:

100% NEW unit and all components.
Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.

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$171.99

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
All new components are utilized to ensure long service life
Internal electronics are upgraded for heavy duty reliability (where applicable)
Armatures and commutators are 100% load tested
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

from

$137.99

Product Features:

Each unit is triple-tested to ensure quality and performance
All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for optimal vehicle performance.
100% electronic testing of all critical components and the entire unit guarantees dependable operation and long-lasting durability.

from

$179.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by a limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Regulators and rectifiers are 100% electronically load tested for reliable charging performance
100% new OE-quality brushes and bearings are used to ensure long service life
Rotors and stators are load tested and double insulated for maximum charging performance
Slip rings are precision polished for maximum brush contact and service life
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

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$286.99

Alternator: Remanufactured, 105 Amps delivers reliable performance with a 105-amp output and 12 VDC voltage, ensuring consistent power for your vehicle’s electrical systems. Designed with a clockwise rotation direction and part of the trusted Delco CS130 family, this alternator meets GM specifications for quality and functionality. As a remanufactured component, it adheres to industry-standard practices, offering an eco-friendly solution by restoring parts to service rather than discarding them. Tested rigorously to meet GM standards, this alternator provides dependable operation and compatibility with GM vehicles. Whether you’re replacing a worn-out alternator or upgrading your system, this part combines durability, efficiency, and value, making it a smart choice for maintaining your vehicle’s performance.

Product Features:

Product Features:

Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
Tested to ensure they perform to GM specifications
Designed with a clockwise rotation direction, ensuring seamless integration and optimal performance within compatible GM vehicle systems.
Part of the trusted Delco CS130 family, offering proven reliability and compatibility for maintaining your vehicle’s electrical system.

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$129.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Regulators and rectifiers are 100% electronically load tested for reliable charging performance
100% new OE-quality brushes and bearings are used to ensure long service life
Rotors and stators are load tested and double insulated for maximum charging performance
Slip rings are precision polished for maximum brush contact and service life
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

from

$211.99

This 100% NEW alternator from WAI is a premium choice for those seeking reliability and performance. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.

Product Features:

100% NEW unit and all components.
Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
Designed for enhanced durability, the alternator’s advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.

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$158.99

Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.

Product Features:

Product Features:

Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
Rotor shafts CNC machined & precision balanced to eliminate vibration
Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
Load dump protection ensures transient voltage spikes do not damage transistor
Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.

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$149.99

Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Product Features:

Designed to meet OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

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$249.99

The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding driving conditions. Engineered with 100% new components, it is built to endure the harshest environments, excessive heat, and high electrical demands, ensuring a long service life. With an impressive 124-amp rating and 12 VDC output, this alternator provides consistent power for your vehicle’s electrical systems. Its clockwise rotation and precisely gauged mounting points ensure a perfect fit and hassle-free installation. As an added benefit, every purchase includes free 24-hour Roadside Assistance Protection, offering peace of mind on the road. Designed for durability and peak performance, this alternator is a smart investment for maintaining your vehicle’s reliability.

Product Features:

Product Features:

100% new components withstand the harshest environments for the best performance and longest life
Built specifically to withstand excessive heat and high electrical demands.
All mounting points 100% gauged and resized or rethreaded for proper fit
Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
Provides consistent 124-amp power output to support demanding vehicle electrical systems effectively.

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$40.99

Ignition Lock Cylinder with Key

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$63.99

GM Genuine Parts Ignition Lock Cylinder Sets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$22.99

This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.

Product Features:

Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$66.99

The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.

Product Features:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$18.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

from

$149.99

This ignition lock housing is a direct replacement for an inoperable original equipment lock housing to help restore ignition lock functions.

Product Features:

Direct replacement – this ignition lock housing matches the fit and function of the original equipment lock housing
Durable materials – this lock housing is made from quality materials for reliable service
Easy to install – no special tools required to install this lock housing
Quality tested – this part has undergone vehicle try-on and material testing

from

$66.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$31.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$4.29

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$50.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$47.49

ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Upgrade your 2003 Chevrolet Blazer with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2003 Chevrolet Blazer, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Alternators and Starters are key to keeping your Blazer functioning at its best. At Advance Auto Parts, we offer a wide selection of 13 Alternators and Starters for the 2003 Chevrolet Blazer, designed to meet your needs without breaking the bank. From Ignition Lock Part replacements to Starter Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2003 Chevrolet Blazer at great prices. Our Alternators and Starters inventory for this model ranges from just $47.49 to $459.99, with an average price of $169.49. Our 13 Alternators and Starters in stock come from 7 trusted brands, so you’re sure to find the right part for your 2003 Chevrolet Blazer without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Chevrolet Blazer, we stock popular OEM and aftermarket Alternators and Starters from top names like Carquest Professional, Carquest Premium, Carquest, and more. Carquest Professional Alternators and Starters start at just $181.99 and boast an impressive 4.5 stars average rating from customers. Carquest Premium and Carquest also bring quality to the table, with Alternators and Starters available starting at $134.99, and at an average 4.4 stars rating. With 274 customer reviews and counting, our 2003 Chevrolet Blazer Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Chevrolet Blazer is always ready to roll. We’re committed to providing you with everything you need to keep your Blazer in top shape, all in one place. Start shopping confidently below for your 2003 Chevrolet Blazer!

Best-Selling Ignition Lock Parts for 2003 Chevrolet Blazers

Enhance the driving experience in your Chevrolet with 3 quality Ignition Lock Part components, starting at $73.99.

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from

$149.99

This ignition lock housing is a direct replacement for an inoperable original equipment lock housing to help restore ignition lock functions.

Product Features:

Direct replacement – this ignition lock housing matches the fit and function of the original equipment lock housing
Durable materials – this lock housing is made from quality materials for reliable service
Easy to install – no special tools required to install this lock housing
Quality tested – this part has undergone vehicle try-on and material testing

from

$148.99

The ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source. The ignition lock cylinder provides security requiring an ignition key to unlock the ignition switch.

Product Features:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

from

$73.99

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

Top Picks for 2003 Chevrolet Blazer Alternator Parts

Upgrade Chevrolet Blazers with top-quality Alternator Parts parts, including 6 OEM and aftermarket selections for your 2003 model.

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from

$134.99

Product Features:

Designed to meet OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

from

$174.99

Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by a limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
Regulators and rectifiers are 100% electronically load tested for reliable charging performance
100% new OE-quality brushes and bearings are used to ensure long service life
Rotors and stators are load tested and double insulated for maximum charging performance
Slip rings are precision polished for maximum brush contact and service life
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672

from

$181.99

Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
All new components are utilized to ensure long service life
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
Internal electronics are upgraded for heavy duty reliability (where applicable)
Regulators and rectifiers are 100% electronically load tested for reliable charging performance
Application-specific technical bulletins included where applicable
All units are 100% triple tested to ensure quality and performance
Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Rotors and stators are load tested and double insulated for maximum charging performance
All units are 100% triple tested to ensure quality and performance

from

$50.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$47.49

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR

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$459.99

The Powermaster Alternator delivers exceptional performance and reliability, making it an ideal choice for street applications, including muscle cars, classics, street rods, and daily drivers. Engineered with an Ad244 style design, this alternator boasts superior output at idle, delivering an impressive 140 amperes for consistent power. Its heavy-duty regulator and rectifier, combined with high-temperature windings, ensure long-lasting durability and efficiency. Dual internal fans provide excellent cooling, while the late-model compatibility with remote voltage control adds modern convenience. Featuring a “Proof of Performance” tag, this alternator guarantees top-tier functionality and reliability. Whether you’re upgrading or replacing, this alternator is built to meet the demands of high-performance vehicles.

Product Features:

Product Features:

Ad244 Style
Superior Output At Idle, A Whopping 140 Ampere
Heavy Duty Regulator And Rectifier
High Temperature Windings
Dual Internal Fans For High Efficiency And Excellent Cooling
Late Model Compatibility With Remote Voltage Control
Proof Of Performance Tag

Top-Rated Alternators and Starters Brands For Your 2003 Chevrolet Blazer

Shop for the best-rated brands offering Alternators and Starters and other products for your 2003 Chevrolet Blazers. Below you’ll find some of our best rated Alternators and Starters from Carquest Professional, Carquest Premium, and Carquest, and more. Alternators and Starters from these brands that fit a 2003 Blazer start at just $134.99 and are rated as high as 4.5 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Professional 2003 Chevrolet Blazer Alternators and Starters

When it comes to maintaining or upgrading your 2003 Chevrolet Blazer, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Professional ticks all of those boxes. We offer a wide selection of Carquest Professional Alternators and Starters, specifically designed for the 2003 Chevrolet Blazer. With over 2 Carquest Professional brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $181.99, with an average price of just $190.99. Plus, with over 41 customer reviews and an average rating of 4.5 stars, you can trust that our Carquest Professional Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $199.99

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Starter: New, Limited Lifetime Warranty

“I was having problems with my starter not working after the truck was at running temperature or what they call heatsink. This new starter was an exact”

from $181.99

(8)

Alternator: New, 100 Amps, Limited Lifetime Warranty

“Just like the origial replacement. If Old one was never taken out get a small pry bar to take the old one out.”

Popular Carquest Premium 2003 Chevrolet Blazer Alternators and Starters

Carquest Premium auto parts is one of the highest quality Alternators and Starter brands in the market. Any 2003 Chevrolet Blazer owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 Blazer, Advance Auto Parts carries a full inventory of 2 Carquest Premium Alternators and Starters. Plus you will be keeping your Chevrolet in peak condition while saving money because prices on these Carquest Premium Alternators and Starters range from $174.99 to $189.99, plus, with more than 63 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Alternators and Starters below will deliver on both quality and value.

from $174.99

(35)

Alternator: Remanufactured, 100 Amps, Limited Lifetime Warranty

“Works as described.”

from $189.99

(28)

Starter: Remanufactured, Limited Lifetime Warranty

“With discounts and warranty this is a no-brainer folks. Looks fantastic, very pleased!”

FAQs for 2003 Chevrolet Blazer Alternators and Starters

Which Alternators and Starters are best-sellers for 2003 Chevrolet Blazers?

Out of 13 Alternators and Starters that fit 2003 Chevrolet Blazers, the following parts are the top sellers:

Starter: Remanufactured, Limited Lifetime Warranty (19220275) – $189.99
Starter: New, Limited Lifetime Warranty (20180085) – $199.99
Alternator: Remanufactured, 100 Amps, Limited Lifetime Warranty (15210191) – $174.99

What’s the price range for 2003 Chevrolet Blazer Alternators and Starters?

Alternators and Starter prices for the 2003 Chevrolet Blazer start at $47.49 and go up to $459.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2003 Chevrolet Blazer?

The average price for Alternators and Starters for the 2003 Chevrolet Blazer is $169.49. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternators and Starters for other Chevrolet Blazer model years?

Yes, we currently carry Alternators and Starters for 24 model years of Chevrolet Blazers between 1969 and 2019. Alternators and Starters are bought most frequently for the following model years: 2019, 2005, 2004, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Alternators and Starters for my 2003 Chevrolet Blazer?

The cheapest 2003 Chevrolet Blazer Alternators and Starters we carry in stock are:

Black Multi-Purpose Pigtail (11895326) – $47.49
Multi-Use Connector (12447173) – $50.99
Ignition Lock Cylinder (12525995) – $73.99
Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (21290535) – $134.99
Ignition Lock Housing (12560793) – $148.99

What are the top-rated Alternators and Starters that fit the 2003 Chevrolet Blazer?

Out of 274 reviews by customers, our 2003 Chevrolet Blazer Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2003 Chevrolet Blazer and their top-rated products:

Alternator Parts
- Alternator: Remanufactured, 100 Amps, Limited Lifetime Warranty (15210191) – $174.99
- Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (21290535) – $134.99
- Alternator: New, 100 Amps, Limited Lifetime Warranty (15580026) – $181.99
Ignition Lock Parts
- Alternator: Remanufactured, 100 Amps, Limited Lifetime Warranty (15210191) – $174.99
- Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (21290535) – $134.99
- Alternator: New, 100 Amps, Limited Lifetime Warranty (15580026) – $181.99
Starter Parts
- Alternator: Remanufactured, 100 Amps, Limited Lifetime Warranty (15210191) – $174.99
- Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (21290535) – $134.99
- Alternator: New, 100 Amps, Limited Lifetime Warranty (15580026) – $181.99

What types of Alternators and Starters do you sell for my 2003 Chevrolet Blazer?

As of 3/1/26, these are some of the most in-demand types of Alternators and Starters for a 2003 Chevrolet Blazer:

Can I get help with 2003 Chevrolet Blazer Alternators and Starter orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Alternators and Starters and more.

What is your return policy for Chevrolet Blazer Alternators and Starters?

Advance Auto Parts keeps returns simple. For new Chevrolet Blazer Alternators and Starters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Chevrolet Blazer Alternators and Starters

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6449S)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.3510MSN)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.3510MSV)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6449SV)

WAI – Starter: 100% NEW (Part No.3686N)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.3631SN)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.3689S)

Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.8206-5A)

GM Genuine Parts – Alternator: Remanufactured, 105 Amps (Part No.321-1035)

Carquest Premium – Alternator: Remanufactured, 63 Amps, Limited Lifetime Warranty (Part No.7127-1WA)

WAI – Alternator: 100% NEW, 200 Amps (Part No.7861-7N-HO)

Carquest HD Electrical – Alternator: New, 105 Amps, With Pulley (Part No.71-8165-11N)

Carquest Standard – Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty (Part No.8206-5AV)

Bosch – Alternator: New, 124 Amps, Limited Lifetime Warranty (Part No.AL8684N)

GM Genuine Parts – Ignition Lock Cylinder with Key (Part No.D1402B)

GM Genuine Parts – Black Ignition Lock Cylinder (Part No.D1414B)

Dorman – Ignition Lock Cylinder Assembly (Part No.924-892)

Carquest Premium – Ignition Lock Cylinder (Part No.CSA1482)

Carquest Premium – Ignition Lock Cylinder (Part No.CSA1517)

Dorman – Ignition Lock Cylinder Housing with Passlock Sensor (Part No.924-713)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1509)

Carquest Premium – Multi-Use Connector (Part No.PTA1201)

Carquest Premium – Multi-Use Connector (Part No.PTA1031)

Carquest Premium – Multi-Use Connector (Part No.PTA1117)

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2194)

Dorman – Ignition Lock Cylinder Housing with Passlock Sensor (Part No.924-713)

Carquest Premium – Ignition Lock Housing (Part No.CSC1564)

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1633)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6485S)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6485SN)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6485SV)

Bosch – Starter: Remanufactured (Part No.SR8584X)

Carquest Standard – Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (Part No.8283AV)

Carquest Premium – Alternator: Remanufactured, 100 Amps, Limited Lifetime Warranty (Part No.8283A)

Carquest Professional – Alternator: New, 100 Amps, Limited Lifetime Warranty (Part No.8283AN)

Carquest Premium – Multi-Use Connector (Part No.PTA1117)

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2194)

Powermaster Performance – Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR (Part No.48237)